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Contains:  NGC 6723, The star αCrA, The star γCrA, The star εCrA, Part of the constellation Corona Austrina (CrA)
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The Nebula in the Southern Crown

Technical card

Imaging telescope or lens:SkyWatcher Esprit 80ED Super APO Triplet

Imaging camera:ZWO ASI071MC-PRO

Mount:SkyWatcher AZ EQ6

Guiding telescope or lens:SkyWatcher Esprit 80ED Super APO Triplet

Guiding camera:ZWO ASI120MM

Software:StarnetPHD 2PixInsight

Filter:ZWO IR/UV Cut Filter

Resolution: 2472x1642

Dates:Aug. 31, 2019

Frames:ZWO IR/UV Cut Filter: 47x300" (gain: 220.00) -1C

Integration: 3.9 hours

Darks: ~40

Flats: ~40

Flat darks: ~40

Bias: ~100

Avg. Moon age: 1.26 days

Avg. Moon phase: 1.77%

Bortle Dark-Sky Scale: 3.00

Temperature: 3.00 job: 2900299

RA center: 285.589 degrees

DEC center: -37.197 degrees

Pixel scale: 4.789 arcsec/pixel

Orientation: 356.417 degrees

Field radius: 1.974 degrees

Data source: Traveller


Took this while camping. I got as much data as I could before the battery went flat. The really dark skies made the processing pretty easy!



License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


The Nebula in the Southern Crown,